Electrical Control Function
Electrical Control System
170
The indoor fan runs at auto fan in each mode.
The louver operates the same in each mode.
If the machine switches mode between heating and cooling, the compressor stops for 15 minutes and then
selects a mode again according to T1-Ts.
If the temperature is modified, the machine selects a running function.
1.3.5 Dehumidifier Mode
The i
ndoor fan speed is fixed at breeze and can’t be changed.
All protections are activated and operate the same as they do in cooling mode.
1.3.6 Timer Function
1.3.6.1 The timing range is 24 hours.
1.3.6.2 Timer On. The machine turns on automatically at the preset time.
1.3.6.3 Timer Off. The machine turns off automatically at the preset time.
1.3.6.4 Timer On/Off. The machine turns on automatically at the preset On Time, and then turns off
automatically at the preset Off Time.
1.3.6.5 Timer Off/On. The machine turns on automatically at the preset Off Time and then turns off
automatically at the preset On Time.
1.3.6.6 The timer does not change the unit operation mode. If the unit is off now, it does not start up
immediately after the
“timer off” function is set. When the setting time is reached, the timer LED switches ioff
and the unit running mode remains unchanged.
1.3.6.7 The timer uses relative time, not clock time.
1.3.7 Sleep M ode
1.3.7.1 The sleep function is available in cooling, heating or auto mode.
1.3.7.2. The operational process in sleep mode is as follows:
When cooling, the temperature rises 1
℃
(to not higher than 30
℃
) every hour, 2 hours later the temperature
stops rising and the indoor fan is fixed to low speed.
When heating, the temperature decreases 1
℃
(to not lower than 17
℃
) every hour, 2 hours the temperature
stops decreasing and the indoor fan is fixed at low speed. (Anti-cold wind function takes priority).
1.3.7.3 Sleep mode lasts a maximum of 7 hours. After 7 hours, the unit does not switch off., but for console,
the unit switches off.
1.3.7.4 The timer uses relative time, not clock time.
1.3.8 Auto-Restart Function
The indoor unit has an auto-restart module that allows the unit to restart automatically. The module
automatically stores the current settings (not including the Swing setting) and, in the case of a sudden power
failure, will restore those setting automatically within 3 minutes after power returns.
1.3.9 Drain Pump Control (For Duct and Cassette)
Use the water-level switch to control drain pump.
Summary of Contents for Super DC Series
Page 1: ...Contents i Energy Related Products SUPER DC INVERTER SERIES Service Manual 2017...
Page 14: ...Service Space Indoor Units 12 3 Service Space 1000mm 1000mm 1000mm 1000m m Chart 3...
Page 17: ...Air Velocity Distributions Reference Data Indoor Units 15 30 42K Cooling Heating...
Page 18: ...Air Velocity Distributions Reference Data Indoor Units 16 48 55K Cooling Heating...
Page 23: ...Field Wiring Indoor Units 21 10 Field Wiring...
Page 30: ...Wiring Diagrams Indoor Units 28 4 Wiring Diagrams MTBU 12HWFN1 QRD0W MTB 18HWFN1 QRD0...
Page 32: ...Static Pressure Indoor Units 30 5 Static Pressure MTBU 12HWFN1 QRD0W MTB 18HWFN1 QRD0...
Page 33: ...Static Pressure Indoor Units 31 MTB 24HWFN1 QRD0 MTB 30HWFN1 QRD0...
Page 45: ...Features Indoor Units 43...
Page 53: ...Field Wiring Indoor Units 51 9 Field Wiring...
Page 57: ...Service Space Indoor Units 55 3 Service Space...
Page 67: ...Field Wiring Indoor Units 65 10 Field Wiring...
Page 70: ...Features Indoor Units 68...
Page 72: ...Service Space Indoor Units 70 3 Service Space...
Page 73: ...Wiring Diagrams Indoor Units 71 4 Wiring Diagrams MCA3U 12HRFN1 QRD0W MCA3 18HRFN1 QRD0...
Page 77: ...Field Wiring Indoor Units 75 10 Field Wiring MCA3U 12HRFN1 QRD0W MCA3 18HRFN1 QRD0...
Page 81: ...Features Console Type 79 1 7 Active carbon filter is standard...
Page 83: ...Console Type Console Type 81 3 Service Space...
Page 84: ...Console Type Console Type 82 4 Wiring Diagrams MFAU 12HRFN1 QRC8W MFA 16HRFN1 QRC8W...
Page 89: ...Console Type Console Type 87 10 Field Wiring...
Page 93: ...Service Space M Floor standing Type 91 3 Service Space...
Page 95: ...Wiring Diagrams M Floor standing Type 93 MFM 55ARFN1 RRD0...
Page 101: ...Field Wiring M Floor standing Type 99 MFM 55ARFN1 RRD0...
Page 105: ...Service Space GAFloor standing Type 103 3 Service Space...
Page 106: ...Wiring Diagrams GAFloor standing Type 104 4 Wiring Diagrams MFGA 55ARFN1 RRD0 B...
Page 112: ...Field Wiring GAFloor standing Type 110 10 Field Wiring...
Page 115: ...Dimensions Outdoor Units 113 Model KBtu h Unit mm W D H W1 A B 48 55 952 415 1333 1045 634 404...
Page 117: ...Wiring Diagrams Outdoor Units 115 3 Wiring Diagrams MOB30U 12HFN1 QRD0W MOB30U 16HFN1 QRC8W...
Page 118: ...Wiring Diagrams Outdoor Units 116 MOB30U 18HFN1 QRD0 MOCA30U 24HFN1 QRD0 MOD30U 30HFN1 QRD0...
Page 119: ...Wiring Diagrams Outdoor Units 117 MOD30U 36HFN1 QRD0 MOD30U 42HFN1 QRD0...
Page 120: ...Wiring Diagrams Outdoor Units 118 MOD30U 36HFN1 RRD0 MOD30U 42HFN1 RRD0...
Page 121: ...Wiring Diagrams Outdoor Units 119 MOE30U 48HFN1 QRD0 MOE30U 48HFN1 RRD0 MOE30U 55HFN1 RRD0...
Page 154: ...Refrigerantpipe installation Installation 152...
Page 179: ...Troubleshooting Electrical Control System 177 2 1 8 Display board of GA floor standing...